Categories: 4th Semester

1

Seat No. ______________________ Enrolment No._______________________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE ? SEMESTER IV (NEW SYLLABUS) EXAMINATION – SUMMER- 2018

Subject Code: 2144003 Date: 28/05/2018

Subject Name: Basics of Transportation Engineering

Time: 10:30 am to 1:00 pm Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

4. Use Arithmetic Graph paper for Q5 (b) for plotting the PDF and CDF.

Q.1 (a) What are the advantages of road transport? Describe the various classifications of

roads in India by Nagpur Road Plan.

07

(b) What are the objectives of highway geometric design? Explain the various geometric

elements to be considered in highway design.

07

Q.2 (a) Explain camber. What are the objects of providing camber? Discuss the factors on

which amount of camber depends. Also

Explain camber and show the various shapes of camber with the help of neat sketch.

Explain in brief objectives to provide on pavement surface. also discuss factors on

which amount of camber depends

07

(b) Design the superelevation required to maintain the speed on a horizontal curve with

a radius of 300 m on national highway. Safe limit of lateral friction is 0.15.

07

OR

(b) Calculate the minimum sight distance required to avoid head on collision of two cars

approaching from the opposite directions on a highway at a descending gradient of 3

%. In this case, Car ?A? is moving with a speed of 80 kmph, reaction time of driver

is 2.5 sec, coefficient of friction of 0.75 and break efficiency of 80 percent.

Similarly, Car ?B? is moving with a speed of 60 kmph, reaction time of driver is 2.0

sec, coefficient of friction of 0.70 and break efficiency of 70 percent.

07

Q.3 (a) What are the various tests carried out on bitumen? Explain ductility test and its

significance.

07

(b) Explain various types of failures in cement concrete pavements & their causes. 07

OR

Q.3 (a) Enlist the various tests to be conducted on aggregates. Explain crushing value test

for aggregate and its significance.

07

(b) Design a new flexible pavement for a two lane undivided carriageway using the

following data: (a) Design CBR value of subgrade = 4 % (b) Initial traffic on completion of construction = 300 cv per day (c) Average growth rate = 6 % per year (d) Design life = 10 years (e) VDF value = 2.5

Use figure 1, table no. 1 for calculating composition of pavement component (as per

IRC guidelines).

07 1

Seat No. ______________________ Enrolment No._______________________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE ? SEMESTER IV (NEW SYLLABUS) EXAMINATION – SUMMER- 2018

Subject Code: 2144003 Date: 28/05/2018

Subject Name: Basics of Transportation Engineering

Time: 10:30 am to 1:00 pm Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

4. Use Arithmetic Graph paper for Q5 (b) for plotting the PDF and CDF.

Q.1 (a) What are the advantages of road transport? Describe the various classifications of

roads in India by Nagpur Road Plan.

07

(b) What are the objectives of highway geometric design? Explain the various geometric

elements to be considered in highway design.

07

Q.2 (a) Explain camber. What are the objects of providing camber? Discuss the factors on

which amount of camber depends. Also

Explain camber and show the various shapes of camber with the help of neat sketch.

Explain in brief objectives to provide on pavement surface. also discuss factors on

which amount of camber depends

07

(b) Design the superelevation required to maintain the speed on a horizontal curve with

a radius of 300 m on national highway. Safe limit of lateral friction is 0.15.

07

OR

(b) Calculate the minimum sight distance required to avoid head on collision of two cars

approaching from the opposite directions on a highway at a descending gradient of 3

%. In this case, Car ?A? is moving with a speed of 80 kmph, reaction time of driver

is 2.5 sec, coefficient of friction of 0.75 and break efficiency of 80 percent.

Similarly, Car ?B? is moving with a speed of 60 kmph, reaction time of driver is 2.0

sec, coefficient of friction of 0.70 and break efficiency of 70 percent.

07

Q.3 (a) What are the various tests carried out on bitumen? Explain ductility test and its

significance.

07

(b) Explain various types of failures in cement concrete pavements & their causes. 07

OR

Q.3 (a) Enlist the various tests to be conducted on aggregates. Explain crushing value test

for aggregate and its significance.

07

(b) Design a new flexible pavement for a two lane undivided carriageway using the

following data: (a) Design CBR value of subgrade = 4 % (b) Initial traffic on completion of construction = 300 cv per day (c) Average growth rate = 6 % per year (d) Design life = 10 years (e) VDF value = 2.5

Use figure 1, table no. 1 for calculating composition of pavement component (as per

IRC guidelines).

07

2

Fig.1. CBR design chart for determination of total pavement thickness

for traffic with CSA of 1.0 to 10 msa

Table 1. Pavement design with recommended component layers

for cumulative traffic range 1 to 10 msa

Q.4 (a) Table 2 is the Traffic volume data collected for the peak AM hour (9:00 AM to

10:00 AM) traffic count data for Path2 collected on 03-02-2018 on a weekend:

Shantigram to Sarkhej (Two lane One Way). What is the composition of Traffic

distribution and which of the particular vehicular group are major contributor for the

Traffic congestion in this Path. Calculate the LOS for this path for 2018 and

comment on the LOS achieved (Refer to relevant Tables presented in Appendix).

Also, suggest a mitigation solution for improving the existing public transport

system facility- Metro Rail Transport to improve from existing LOS to LOS C. If we

assume each metro rail system of 5 bogies per trip which is equivalent to 50 PCU

trips then calculate the number of metro rail trips for Path2? If a constant annual

growth rate of 15% is assumed for this path. Estimate the future traffic volume for

07 1

Seat No. ______________________ Enrolment No._______________________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE ? SEMESTER IV (NEW SYLLABUS) EXAMINATION – SUMMER- 2018

Subject Code: 2144003 Date: 28/05/2018

Subject Name: Basics of Transportation Engineering

Time: 10:30 am to 1:00 pm Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

4. Use Arithmetic Graph paper for Q5 (b) for plotting the PDF and CDF.

Q.1 (a) What are the advantages of road transport? Describe the various classifications of

roads in India by Nagpur Road Plan.

07

(b) What are the objectives of highway geometric design? Explain the various geometric

elements to be considered in highway design.

07

Q.2 (a) Explain camber. What are the objects of providing camber? Discuss the factors on

which amount of camber depends. Also

Explain camber and show the various shapes of camber with the help of neat sketch.

Explain in brief objectives to provide on pavement surface. also discuss factors on

which amount of camber depends

07

(b) Design the superelevation required to maintain the speed on a horizontal curve with

a radius of 300 m on national highway. Safe limit of lateral friction is 0.15.

07

OR

(b) Calculate the minimum sight distance required to avoid head on collision of two cars

approaching from the opposite directions on a highway at a descending gradient of 3

%. In this case, Car ?A? is moving with a speed of 80 kmph, reaction time of driver

is 2.5 sec, coefficient of friction of 0.75 and break efficiency of 80 percent.

Similarly, Car ?B? is moving with a speed of 60 kmph, reaction time of driver is 2.0

sec, coefficient of friction of 0.70 and break efficiency of 70 percent.

07

Q.3 (a) What are the various tests carried out on bitumen? Explain ductility test and its

significance.

07

(b) Explain various types of failures in cement concrete pavements & their causes. 07

OR

Q.3 (a) Enlist the various tests to be conducted on aggregates. Explain crushing value test

for aggregate and its significance.

07

(b) Design a new flexible pavement for a two lane undivided carriageway using the

following data: (a) Design CBR value of subgrade = 4 % (b) Initial traffic on completion of construction = 300 cv per day (c) Average growth rate = 6 % per year (d) Design life = 10 years (e) VDF value = 2.5

Use figure 1, table no. 1 for calculating composition of pavement component (as per

IRC guidelines).

07

2

Fig.1. CBR design chart for determination of total pavement thickness

for traffic with CSA of 1.0 to 10 msa

Table 1. Pavement design with recommended component layers

for cumulative traffic range 1 to 10 msa

Q.4 (a) Table 2 is the Traffic volume data collected for the peak AM hour (9:00 AM to

10:00 AM) traffic count data for Path2 collected on 03-02-2018 on a weekend:

Shantigram to Sarkhej (Two lane One Way). What is the composition of Traffic

distribution and which of the particular vehicular group are major contributor for the

Traffic congestion in this Path. Calculate the LOS for this path for 2018 and

comment on the LOS achieved (Refer to relevant Tables presented in Appendix).

Also, suggest a mitigation solution for improving the existing public transport

system facility- Metro Rail Transport to improve from existing LOS to LOS C. If we

assume each metro rail system of 5 bogies per trip which is equivalent to 50 PCU

trips then calculate the number of metro rail trips for Path2? If a constant annual

growth rate of 15% is assumed for this path. Estimate the future traffic volume for

07

3

2025 and also calculate the LOS and comment in terms of Metro Rail Transport

mitigation.

Table2: Peak AM Traffic count for path2: Shantigram to Sarkhej. (Time: 9:00

to 10 AM), 03-02-2018, Saturday.

Time

Fast Moving Vehicle

Slow Moving

Vehicles

Two

Wheeler

Three

Wheeler

Four

Wheeler

L.C.V. H.C.V. Bus N.M.V. Others

9:00-

9:15

224 6 90 5 2 4 0 0

9:15-

9:30

190 13 94 10 1 4 0 1

9:30-

9:45

132 13 108 19 3 3 0 0

9:45-

10:00

145 10 113 20 5 10 0 0

(b) Explain in detail the ?ASI? mitigation approach to tackle Transport pollution for

creating sustainable Urban Transport Management System? Clearly mention the

mitigation solution and how to Implement ASI policy in Indian Scenario?

07

OR

Q.4 (a) List out any four Intelligent Transportation System Technologies and explain them

in brief with a neat sketch?

07

(b) List out any four Intelligent Transportation System Applications and explain them in

brief with a neat sketch?

07

Q.5 (a) Explain Greenshield?s Macroscopic Stream model. What is the relationship in terms

of Traffic parameters v, k and q. Plot the relationships. Also, mention the boundary

conditions for determining optimal density and optimal velocity for maximum traffic

flow?

07

(b) For the following data on speed and density, determine the parameters of the

Greenshield?s model. Also find the maximum flow and density corresponding to a

speed of 30 km/hr. For the linear equation of the form : y = a + bx , coefficients

and

,

K (veh/k

m)V (km/hr

)171 5

129 15

20 40

70 25

100 21

50 31

Compare the maximum flow obtained through Greenshield?s model with the

maximum flow obtained in Q4 (a) by calculating Mean Square Error. Does the

Traffic flow at Path2 of Vaishnov Devi circle follow Greenshield?s model comment

accordingly?

07

OR

Q.5 (a) Explain the philosophy of Macroscopic stream model development? Explain

Greenberg?s Macroscopic, Underwood?s exponential and Pipe?s generalized model

by comparing with Greenshield?s model? Mention the assumptions clearly?

07

(b) Determine Speed Characteristics from a Set of Speed Data given for two wheeler 07 1

Seat No. ______________________ Enrolment No._______________________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE ? SEMESTER IV (NEW SYLLABUS) EXAMINATION – SUMMER- 2018

Subject Code: 2144003 Date: 28/05/2018

Subject Name: Basics of Transportation Engineering

Time: 10:30 am to 1:00 pm Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

4. Use Arithmetic Graph paper for Q5 (b) for plotting the PDF and CDF.

roads in India by Nagpur Road Plan.

07

(b) What are the objectives of highway geometric design? Explain the various geometric

elements to be considered in highway design.

07

which amount of camber depends. Also

Explain camber and show the various shapes of camber with the help of neat sketch.

Explain in brief objectives to provide on pavement surface. also discuss factors on

which amount of camber depends

07

(b) Design the superelevation required to maintain the speed on a horizontal curve with

a radius of 300 m on national highway. Safe limit of lateral friction is 0.15.

07

OR

(b) Calculate the minimum sight distance required to avoid head on collision of two cars

approaching from the opposite directions on a highway at a descending gradient of 3

%. In this case, Car ?A? is moving with a speed of 80 kmph, reaction time of driver

is 2.5 sec, coefficient of friction of 0.75 and break efficiency of 80 percent.

Similarly, Car ?B? is moving with a speed of 60 kmph, reaction time of driver is 2.0

sec, coefficient of friction of 0.70 and break efficiency of 70 percent.

07

Q.3 (a) What are the various tests carried out on bitumen? Explain ductility test and its

significance.

07

(b) Explain various types of failures in cement concrete pavements & their causes. 07

OR

Q.3 (a) Enlist the various tests to be conducted on aggregates. Explain crushing value test

for aggregate and its significance.

07

(b) Design a new flexible pavement for a two lane undivided carriageway using the

following data: (a) Design CBR value of subgrade = 4 % (b) Initial traffic on completion of construction = 300 cv per day (c) Average growth rate = 6 % per year (d) Design life = 10 years (e) VDF value = 2.5

Use figure 1, table no. 1 for calculating composition of pavement component (as per

IRC guidelines).

07

2

Fig.1. CBR design chart for determination of total pavement thickness

for traffic with CSA of 1.0 to 10 msa

Table 1. Pavement design with recommended component layers

for cumulative traffic range 1 to 10 msa

Q.4 (a) Table 2 is the Traffic volume data collected for the peak AM hour (9:00 AM to

10:00 AM) traffic count data for Path2 collected on 03-02-2018 on a weekend:

Shantigram to Sarkhej (Two lane One Way). What is the composition of Traffic

distribution and which of the particular vehicular group are major contributor for the

Traffic congestion in this Path. Calculate the LOS for this path for 2018 and

comment on the LOS achieved (Refer to relevant Tables presented in Appendix).

Also, suggest a mitigation solution for improving the existing public transport

system facility- Metro Rail Transport to improve from existing LOS to LOS C. If we

assume each metro rail system of 5 bogies per trip which is equivalent to 50 PCU

trips then calculate the number of metro rail trips for Path2? If a constant annual

growth rate of 15% is assumed for this path. Estimate the future traffic volume for

07

3

2025 and also calculate the LOS and comment in terms of Metro Rail Transport

mitigation.

Table2: Peak AM Traffic count for path2: Shantigram to Sarkhej. (Time: 9:00

to 10 AM), 03-02-2018, Saturday.

Time

Fast Moving Vehicle

Slow Moving

Vehicles

Two

Wheeler

Three

Wheeler

Four

Wheeler

L.C.V. H.C.V. Bus N.M.V. Others

9:00-

9:15

224 6 90 5 2 4 0 0

9:15-

9:30

190 13 94 10 1 4 0 1

9:30-

9:45

132 13 108 19 3 3 0 0

9:45-

10:00

145 10 113 20 5 10 0 0

(b) Explain in detail the ?ASI? mitigation approach to tackle Transport pollution for

creating sustainable Urban Transport Management System? Clearly mention the

mitigation solution and how to Implement ASI policy in Indian Scenario?

07

OR

Q.4 (a) List out any four Intelligent Transportation System Technologies and explain them

in brief with a neat sketch?

07

(b) List out any four Intelligent Transportation System Applications and explain them in

brief with a neat sketch?

07

Q.5 (a) Explain Greenshield?s Macroscopic Stream model. What is the relationship in terms

of Traffic parameters v, k and q. Plot the relationships. Also, mention the boundary

conditions for determining optimal density and optimal velocity for maximum traffic

flow?

07

(b) For the following data on speed and density, determine the parameters of the

Greenshield?s model. Also find the maximum flow and density corresponding to a

speed of 30 km/hr. For the linear equation of the form : y = a + bx , coefficients

and

,

K (veh/k

m)V (km/hr

)171 5

129 15

20 40

70 25

100 21

50 31

Compare the maximum flow obtained through Greenshield?s model with the

maximum flow obtained in Q4 (a) by calculating Mean Square Error. Does the

Traffic flow at Path2 of Vaishnov Devi circle follow Greenshield?s model comment

accordingly?

07

OR

Q.5 (a) Explain the philosophy of Macroscopic stream model development? Explain

Greenberg?s Macroscopic, Underwood?s exponential and Pipe?s generalized model

by comparing with Greenshield?s model? Mention the assumptions clearly?

07

(b) Determine Speed Characteristics from a Set of Speed Data given for two wheeler 07

4

vehicle class based on the spot speed studies carried out at Pashawnath Jain mandir,

Ahmedabad. Table 7 (Appendix) shows the data collected on a Sub-arterial highway

during a speed study. Develop the frequency histogram and the frequency

distribution of the data and determine: (a). Average Speed (b). Design Speed (c). Safe Speed, (d). Modal Speed and (e). Pace Speed.

Appendix:

Table 4: Recommended PCU factors for various Types of Vehicles on Urban Roads (Taken from IRC 106-1990)

Table 5: Recommended design service volume (PCU?s per hour)

1

Seat No. ______________________ Enrolment No._______________________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE ? SEMESTER IV (NEW SYLLABUS) EXAMINATION – SUMMER- 2018

Subject Code: 2144003 Date: 28/05/2018

Subject Name: Basics of Transportation Engineering

Time: 10:30 am to 1:00 pm Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

4. Use Arithmetic Graph paper for Q5 (b) for plotting the PDF and CDF.

roads in India by Nagpur Road Plan.

07

(b) What are the objectives of highway geometric design? Explain the various geometric

elements to be considered in highway design.

07

which amount of camber depends. Also

Explain camber and show the various shapes of camber with the help of neat sketch.

Explain in brief objectives to provide on pavement surface. also discuss factors on

which amount of camber depends

07

(b) Design the superelevation required to maintain the speed on a horizontal curve with

a radius of 300 m on national highway. Safe limit of lateral friction is 0.15.

07

OR

(b) Calculate the minimum sight distance required to avoid head on collision of two cars

approaching from the opposite directions on a highway at a descending gradient of 3

%. In this case, Car ?A? is moving with a speed of 80 kmph, reaction time of driver

is 2.5 sec, coefficient of friction of 0.75 and break efficiency of 80 percent.

Similarly, Car ?B? is moving with a speed of 60 kmph, reaction time of driver is 2.0

sec, coefficient of friction of 0.70 and break efficiency of 70 percent.

07

significance.

07

(b) Explain various types of failures in cement concrete pavements & their causes. 07

OR

Q.3 (a) Enlist the various tests to be conducted on aggregates. Explain crushing value test

for aggregate and its significance.

07

(b) Design a new flexible pavement for a two lane undivided carriageway using the

following data: (a) Design CBR value of subgrade = 4 % (b) Initial traffic on completion of construction = 300 cv per day (c) Average growth rate = 6 % per year (d) Design life = 10 years (e) VDF value = 2.5

Use figure 1, table no. 1 for calculating composition of pavement component (as per

IRC guidelines).

07

2

Fig.1. CBR design chart for determination of total pavement thickness

for traffic with CSA of 1.0 to 10 msa

Table 1. Pavement design with recommended component layers

for cumulative traffic range 1 to 10 msa

Q.4 (a) Table 2 is the Traffic volume data collected for the peak AM hour (9:00 AM to

10:00 AM) traffic count data for Path2 collected on 03-02-2018 on a weekend:

Shantigram to Sarkhej (Two lane One Way). What is the composition of Traffic

distribution and which of the particular vehicular group are major contributor for the

Traffic congestion in this Path. Calculate the LOS for this path for 2018 and

comment on the LOS achieved (Refer to relevant Tables presented in Appendix).

Also, suggest a mitigation solution for improving the existing public transport

system facility- Metro Rail Transport to improve from existing LOS to LOS C. If we

assume each metro rail system of 5 bogies per trip which is equivalent to 50 PCU

trips then calculate the number of metro rail trips for Path2? If a constant annual

growth rate of 15% is assumed for this path. Estimate the future traffic volume for

07

3

2025 and also calculate the LOS and comment in terms of Metro Rail Transport

mitigation.

Table2: Peak AM Traffic count for path2: Shantigram to Sarkhej. (Time: 9:00

to 10 AM), 03-02-2018, Saturday.

Time

Fast Moving Vehicle

Slow Moving

Vehicles

Two

Wheeler

Three

Wheeler

Four

Wheeler

L.C.V. H.C.V. Bus N.M.V. Others

9:00-

9:15

224 6 90 5 2 4 0 0

9:15-

9:30

190 13 94 10 1 4 0 1

9:30-

9:45

132 13 108 19 3 3 0 0

9:45-

10:00

145 10 113 20 5 10 0 0

(b) Explain in detail the ?ASI? mitigation approach to tackle Transport pollution for

creating sustainable Urban Transport Management System? Clearly mention the

mitigation solution and how to Implement ASI policy in Indian Scenario?

07

OR

Q.4 (a) List out any four Intelligent Transportation System Technologies and explain them

in brief with a neat sketch?

07

(b) List out any four Intelligent Transportation System Applications and explain them in

brief with a neat sketch?

07

Q.5 (a) Explain Greenshield?s Macroscopic Stream model. What is the relationship in terms

of Traffic parameters v, k and q. Plot the relationships. Also, mention the boundary

conditions for determining optimal density and optimal velocity for maximum traffic

flow?

07

(b) For the following data on speed and density, determine the parameters of the

Greenshield?s model. Also find the maximum flow and density corresponding to a

speed of 30 km/hr. For the linear equation of the form : y = a + bx , coefficients

and

,

K (veh/k

m)V (km/hr

)171 5

129 15

20 40

70 25

100 21

50 31

Compare the maximum flow obtained through Greenshield?s model with the

maximum flow obtained in Q4 (a) by calculating Mean Square Error. Does the

Traffic flow at Path2 of Vaishnov Devi circle follow Greenshield?s model comment

accordingly?

07

OR

Q.5 (a) Explain the philosophy of Macroscopic stream model development? Explain

Greenberg?s Macroscopic, Underwood?s exponential and Pipe?s generalized model

by comparing with Greenshield?s model? Mention the assumptions clearly?

07

(b) Determine Speed Characteristics from a Set of Speed Data given for two wheeler 07

4

vehicle class based on the spot speed studies carried out at Pashawnath Jain mandir,

Ahmedabad. Table 7 (Appendix) shows the data collected on a Sub-arterial highway

during a speed study. Develop the frequency histogram and the frequency

distribution of the data and determine: (a). Average Speed (b). Design Speed (c). Safe Speed, (d). Modal Speed and (e). Pace Speed.

Appendix:

Table 4: Recommended PCU factors for various Types of Vehicles on Urban Roads (Taken from IRC 106-1990)

Table 5: Recommended design service volume (PCU?s per hour)

5

Table 6: LOS TABLE SHOWING V/C RATIO

Table 7: Two Wheeler Speed data collected at Pashawnath Jain Mandir, Ahmedabad

Two Wheeler No. Speed (km/hr) Two Wheeler No. Speed (km/hr)1 25 11 38.3

2 26 12 44.6

3 30 13 45.2

4 33 14 41.1

5 36 15 55.1

6 54 16 69

7 42.1 17 54.3

8 50.1 18 45.4

9 51.8 19 55.2

10 65 20 45.7

GOODLUCK

*************

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